[jdk11u-dev] RFR: 8272131: PhaseMacroExpand::generate_slow_arraycopy crash when clone null CallProjections.fallthrough_ioproj

[Paul Hohensee]

On Sun, 15 Aug 2021 01:28:35 GMT, Hui Shi <hshi at openjdk.org> wrote:

> Please help review this backport for 8272131: C2 crash in PhaseMacroExpand::generate_slow_arraycopy because arraycopy node's _ioproj_fallthrough is NULL.
> 
> Conflicts when backport
> In jdk18: field name is fallthrough_ioproj , and it is in PhaseMacroExpand's CallProjections class.
> In jdk11: field name is _ioproj_fallthrough, and it is directly in PhaseMacroExpand class.

Hmm. I had thought it was tagged jdk11u-fix-yes before I pushed. My apologies.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/250